Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 20:54Z

\binom{n}{k} = \frac{n!}{k!(n-k)!}

∫₀^∞ e^(-θ²) dθ = √π / 2

46K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

468K

CaCO₃ → CaO + CO₂

∇²z = 0

289K

d/dt [t^3] = 3t^2

278K

e^{i\pi} + 1 = 0

\lim_{x\to 0} \frac{\sin x}{x} = 1

339K

5φ² + 1φ + 1 = 0

177K

∂x/∂r = 4x

det| 4 8 ; 3 5 | = -4

358K

∇ × E = −∂B/∂t

121K

det| 9 4 ; 1 10 | = 86

399K

d/dψ [ψ^7] = 7ψ^6

316K

∑_{k=1}^{n} k = n(n+1)/2

11K

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